ROV activated subsea connector

Details ROV activated subsea connector ROV activated subsea connector

2005-06-07

2005-06-07

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

With assembly means or feature

Guide

C285S920000

Reexamination Certificate

active

06902199

ABSTRACT:
A subsea connector is remotely actuated to connect a subsea flowline to a subsea connector hub. The connector has a frame with a tubular mandrel located within it. The mandrel connects to the flowline and has a forward end that engages the connector end. The mandrel moves axially relative to the frame between retracted and extended positions. A lock member on the forward end of the mandrel will engage the profile of the connector hub. An actuator mounted to the mandrel causes the lock member to move into engagement with the connector hub after the mandrel has been moved into engagement with the connector hub. A portable telescoping jack assembly has an ROV interface for receiving power from the ROV. The jack assembly fits within a first pocket in the frame to move the mandrel to the extended position. The jack assembly is retrievable from the first pocket and fits within a second pocket in the frame to move the actuator and the lock member into locking engagement with the profile.

REFERENCES:
patent: 3353595 (1967-11-01), Gruller et al.
patent: 3717920 (1973-02-01), Oliver et al.
patent: 4477105 (1984-10-01), Wittman et al.
patent: 4664419 (1987-05-01), Tan et al.
U.S. Appl. No. 10/376,493, filed Feb. 28, 2003, Colyer.
U.S. Appl. No. 10/340,094, filed Jan. 10, 2003, Langford et al.
U.S. Appl. No. 10/358,731, filed Feb. 5, 2003, Langford et al.

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